Titlebook: Lipids in Freshwater Ecosystems; Michael T. Arts,Bruce C. Wainman Book 1999 Springer Science+Business Media New York 1999 chemistry.ecolog

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Fatty Acids as Trophic and Chemical Markers in Freshwater Ecosystems,, and sterols) are limited to certain taxa, so if the lipid in question is metabolically stable (or retains its basic structure after consumption), it may be used to trace energy transfers through the food chain, thus helping to define predator—prey relationships.

劇本

變形詞

Lipids in Water-Surface Microlayers and Foams,yer have been elusive, but the microlayer is generally acknowledged to be limited to the uppermost 30-100 p.m of the water (., and references therein). These dimensions, however, reflect more the characteristics and capabilities of the sampling devices than rigorous measurements of the microstructure of the surface waters.

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insightful

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Structure of the Asteroid Belt for Small Members the gravitational perturbations by Jupiter, and asteroids are fragments produced as a result of mutual collisions (Wetherill, 1989). This view has been more and more supported through recent laboratory experiments of collision (Fujiwara, 1989), the related theoretical studies (Wetherill, 1989), and

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銼屑

Effect of Cylinder Size on the Compressive Strength of Concrete CO2 Curing,ect of cylinder size on concrete compressive strength were cylinder size, CO. concentration, curing pressure, curing time, and age of specimen at testing. Three different cylinder sizes (5?×?10?cm, 10?×?20?cm, 15?×?30?cm), three CO. concentration (50%, 75%, 100%), three curing time (1, 3, 6?h), thre

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